// Jubatus: Online machine learning framework for distributed environment
// Copyright (C) 2011 Preferred Infrastructure and Nippon Telegraph and Telephone Corporation.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

#include "perceptron.hpp"

using namespace std;

namespace jubatus{


perceptron::perceptron(storage::storage_base* storage): classifier_base(storage)
{
}

void perceptron::train(const sfv_t& sfv, const std::string& label) 
{
  std::string predicted_label = classify(sfv);
  if (label == predicted_label){
    return;
  }
  update_weight(sfv, 1.f, label, predicted_label);
}

string perceptron::name() const 
{
  return string("perceptron");
}
  
}
